Create a healthier working environment with the Fresh-Air Purifier. Designed to fit into an application where direct capture from the source is possible. The fresh air purifier uses high power blower motors to pull air through 3 stages of filtration. The pre-filter catches large particles and a certified HEPA filter captures 99.9% of all remaining particles. Designed for working spaces up to 200 square feet. Unit measures 12¾” x 15¾” x 26¼”. 28 lbs. 2-year warranty.